.pan_main {
  -webkit-touch-callout:none;
  -webkit-user-select:none;
  -khtml-user-select:none;
  -moz-user-select:none;
  -ms-user-select:none;
  user-select:none;
  position: absolute;
  left: 0;
  top: 56px;
  bottom: 0;
  padding-left: 280px;
  width: 100%;
  min-width: 1080px;
}
